21104926

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{853}}^1$

素因数の和:1083

約数の個数: 16

約数和(自身を含む): 32281200

約数和(自身を除く): 11176274

約数列:

[1, 2, 89, 139, 178, 278, 853, 1706, 12371, 24742, 75917, 118567, 151834, 237134, 10552463, 21104926]

約数ペア:

[(1, 21104926), (2, 10552463), (89, 237134), (139, 151834), (178, 118567), (278, 75917), (853, 24742), (1706, 12371)]